<?php


/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity {
	
	private $_name = '';
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public function authenticate() {
		$password = md5($this->password);
		
		$username = $this->username;
		$condition = array();
		 
		$condition['email'] =  trim($username);
		 
		
		$user = User :: model()->findByAttributes($condition);
		
//		if ($user === null)
//			$user = new User;
//print_r($user);
		
		if ($user === null)
			$this->errorCode = self :: ERROR_USERNAME_INVALID;
		else{
			if ($user->password !== $password)
				$this->errorCode = self :: ERROR_PASSWORD_INVALID;
			else{
			    
				$this->errorCode = self :: ERROR_NONE;
				
				$this->setState ('uid', $user->_id );
				$this->setState ('me', (object ) $user->attributes  );
	
			}
		
			$this->_name = $user->name;
		}
		return !$this->errorCode;
	}
	
	/**
	 * @deprecated by me.name
	 */
	public function getName() {
		return $this->_name ;
	}
}